foundationdb/fdbclient/RunTransaction.actor.h

79 lines
2.7 KiB
C++

/*
* RunTransaction.actor.h
*
* This source file is part of the FoundationDB open source project
*
* Copyright 2013-2018 Apple Inc. and the FoundationDB project authors
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#pragma once
// When actually compiled (NO_INTELLISENSE), include the generated version of this file. In intellisense use the source version.
#if defined(NO_INTELLISENSE) && !defined(FDBCLIENT_RUNTRANSACTION_ACTOR_G_H)
#define FDBCLIENT_RUNTRANSACTION_ACTOR_G_H
#include "fdbclient/RunTransaction.actor.g.h"
#elif !defined(FDBCLIENT_RUNTRANSACTION_ACTOR_H)
#define FDBCLIENT_RUNTRANSACTION_ACTOR_H
#include "flow/flow.h"
#include "fdbclient/ReadYourWrites.h"
#include "flow/actorcompiler.h" // This must be the last #include.
ACTOR template < class Function >
Future<decltype(fake<Function>()(Reference<ReadYourWritesTransaction>()).getValue())>
runRYWTransaction(Database cx, Function func) {
state Reference<ReadYourWritesTransaction> tr(new ReadYourWritesTransaction(cx));
loop{
try {
state decltype( fake<Function>()( Reference<ReadYourWritesTransaction>() ).getValue()) result = wait(func(tr));
wait(tr->commit());
return result;
}
catch (Error& e) {
wait(tr->onError(e));
}
}
}
ACTOR template < class Function >
Future<decltype(fake<Function>()(Reference<ReadYourWritesTransaction>()).getValue())>
runRYWTransactionFailIfLocked(Database cx, Function func) {
state Reference<ReadYourWritesTransaction> tr(new ReadYourWritesTransaction(cx));
loop{
try {
state decltype( fake<Function>()( Reference<ReadYourWritesTransaction>() ).getValue()) result = wait(func(tr));
wait(tr->commit());
return result;
}
catch (Error& e) {
if(e.code() == error_code_database_locked)
throw;
wait(tr->onError(e));
}
}
}
ACTOR template < class Function >
Future<decltype(fake<Function>()(Reference<ReadYourWritesTransaction>()).getValue())>
runRYWTransactionNoRetry(Database cx, Function func) {
state Reference<ReadYourWritesTransaction> tr(new ReadYourWritesTransaction(cx));
state decltype(fake<Function>()(Reference<ReadYourWritesTransaction>()).getValue()) result = wait(func(tr));
wait(tr->commit());
return result;
}
#include "flow/unactorcompiler.h"
#endif